1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _UAPI_UVESAFB_H 3*4882a593Smuzhiyun #define _UAPI_UVESAFB_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun struct v86_regs { 8*4882a593Smuzhiyun __u32 ebx; 9*4882a593Smuzhiyun __u32 ecx; 10*4882a593Smuzhiyun __u32 edx; 11*4882a593Smuzhiyun __u32 esi; 12*4882a593Smuzhiyun __u32 edi; 13*4882a593Smuzhiyun __u32 ebp; 14*4882a593Smuzhiyun __u32 eax; 15*4882a593Smuzhiyun __u32 eip; 16*4882a593Smuzhiyun __u32 eflags; 17*4882a593Smuzhiyun __u32 esp; 18*4882a593Smuzhiyun __u16 cs; 19*4882a593Smuzhiyun __u16 ss; 20*4882a593Smuzhiyun __u16 es; 21*4882a593Smuzhiyun __u16 ds; 22*4882a593Smuzhiyun __u16 fs; 23*4882a593Smuzhiyun __u16 gs; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* Task flags */ 27*4882a593Smuzhiyun #define TF_VBEIB 0x01 28*4882a593Smuzhiyun #define TF_BUF_ESDI 0x02 29*4882a593Smuzhiyun #define TF_BUF_ESBX 0x04 30*4882a593Smuzhiyun #define TF_BUF_RET 0x08 31*4882a593Smuzhiyun #define TF_EXIT 0x10 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct uvesafb_task { 34*4882a593Smuzhiyun __u8 flags; 35*4882a593Smuzhiyun int buf_len; 36*4882a593Smuzhiyun struct v86_regs regs; 37*4882a593Smuzhiyun }; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* Constants for the capabilities field 40*4882a593Smuzhiyun * in vbe_ib */ 41*4882a593Smuzhiyun #define VBE_CAP_CAN_SWITCH_DAC 0x01 42*4882a593Smuzhiyun #define VBE_CAP_VGACOMPAT 0x02 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* The VBE Info Block */ 45*4882a593Smuzhiyun struct vbe_ib { 46*4882a593Smuzhiyun char vbe_signature[4]; 47*4882a593Smuzhiyun __u16 vbe_version; 48*4882a593Smuzhiyun __u32 oem_string_ptr; 49*4882a593Smuzhiyun __u32 capabilities; 50*4882a593Smuzhiyun __u32 mode_list_ptr; 51*4882a593Smuzhiyun __u16 total_memory; 52*4882a593Smuzhiyun __u16 oem_software_rev; 53*4882a593Smuzhiyun __u32 oem_vendor_name_ptr; 54*4882a593Smuzhiyun __u32 oem_product_name_ptr; 55*4882a593Smuzhiyun __u32 oem_product_rev_ptr; 56*4882a593Smuzhiyun __u8 reserved[222]; 57*4882a593Smuzhiyun char oem_data[256]; 58*4882a593Smuzhiyun char misc_data[512]; 59*4882a593Smuzhiyun } __attribute__ ((packed)); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif /* _UAPI_UVESAFB_H */ 62